Clause to switch the execution context of a dynamic statement 子句切換動(dòng)態(tài)語句的執(zhí)行上下文。
And the emphasis is put in the application of no . 7 signaling system in the mobile communication . by centralizedly tracing the no . 7 signaling , the signaling of the interface um , the signaling of the interface abis , we can effectively get the signaling information , analyze the real time and dynamic statement from macroscopical and microcosmic aspect so that realizing the evaluation and optimization of the network . at the same time , it provides us with the effective and sustaining methods to manage and maintain the network to monitor and analyze the qos , and so increases the competition of the network 其次,比較詳細(xì)地介紹了gsm網(wǎng)絡(luò)的結(jié)構(gòu)、通信接口以及相關(guān)的信令,著重介紹了七號(hào)信令系統(tǒng)及其在移動(dòng)通信中的應(yīng)用,通過對(duì)七號(hào)信令、 um接口信令、 a接口信令進(jìn)行集中監(jiān)測,可以有效的獲取信令信息,對(duì)全網(wǎng)進(jìn)行實(shí)時(shí)動(dòng)態(tài)的宏觀和微觀分析,實(shí)現(xiàn)網(wǎng)絡(luò)性能的評(píng)估和優(yōu)化,從而為整個(gè)網(wǎng)絡(luò)的管理和維護(hù)以及業(yè)務(wù)質(zhì)量的監(jiān)測和分析提供了有效的支撐手段,提升了網(wǎng)絡(luò)的競爭力。